Taxon Details

Euphorbia revoluta

revolute spurge

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Taxon Summary:

Euphorbia revoluta, commonly known as revolute spurge, is a annual herb in the Euphorbiaceae that is found in California and elsewhere. It occurs within Mojavean desert scrub, growing at elevations from 1095 to 3100 meters. Euphorbia revoluta is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification

Scientific Name: Euphorbia revoluta Engelm.
Common Name: revolute spurge
Family:	Euphorbiaceae
Element Code:	PDEUP0D230
USDA Plants Symbol:
Synonyms/Other Names: Chamaesyce revoluta (Engelm.) Small
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	4.3
Fed List:	None
State List:	None
Global Rank:	G5
State Rank:	S4
Other Status:	SB_CalBG/RSABG
CRPR Changes:
Add Date:	2001-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: annual herb

Blooming Period: Aug-Sep

Elevation:
1095 - 3100 meters
3595 - 10170 feet

General Habitats:

Mojavean desert scrub (rocky)

Microhabitat Details:

Microhabitat:

Notes

Notes: See Report of the United States and Mexican Boundary, Botany 2(1):186 (1859) for original description, Madroño 44(2):205 (1997) for occurrence information, and Taxon 55:397-420 (2006) for taxonomic treatment.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	0 %

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					0
A	B	C	D	X	U
0	0	0	0	0	0

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	0

Presence:
Presumed Extant	0
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
Arizona (AZ), Baja California (BA), California (CA), Colorado (CO), Nevada (NV), New Mexico (NM), Texas (TX), Utah (UT)

California Counties and Islands: Name (Code)
Riverside (RIV), San Bernardino (SBD), San Diego (SDG)

Quads: Name (Quad Code)
Castle Peaks (3511532), Clark Mtn. (3511555), Colton Well (3411584), Columbia Mtn. (3511514), Fountain Peak (3411585), Grand View Mine (3411657), Hackberry Mountain (3511512), Hart Peak (3511531), Ivanpah (3511533), Ivanpah Lake (3511554), Mescal Range (3511545), Mesquite Mountains (3511566), Old Woman Statue (3411552), Ord Mountain (3411667), Pachalka Spring (3511556), Toro Peak (3311654), Whale Peak (3311613)

Notes:

Definitions of codes following a county and/or quad:
*		Presumed extirpated
(?)		Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Regional Map

Map

Presumed Extant

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CNPS Rare Plant Inventory